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Limits,zero times infinity 0*∞

we know that zero times infinity is undefined(indeterminate form), but what about this : the slope of x axis = 0, and the slope of y axis is tan90 which is infinity '∞'

so, m1.m2= -1 , 0*∞= -1

Note by Aman Gautam
2 years, 7 months ago

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U can apply m1. M2 =-1....only when slopes of the 2 lines are defined... Poonayu Sharma · 2 years, 7 months ago

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